St Clair SA

Postcode 5011 · Charles Sturt LGA

St Clair is a smaller suburb in South Australia within the Charles Sturt local government area (postcode 5011). With a population of 2,634, the suburb has a mix of young professionals and families with a median age of 32. Households earn a median income of $98K per year, with an average household size of 2.3 people. The most common occupations are professionals, clerical & administrative, managers. The top ancestries reported are English, Australian, Italian.

The median house price in St Clair is $1.1 million, having surged 11.6% over the past year. The current median weekly rent is $575. This gives a gross rental yield of approximately 2.6%. The median monthly mortgage repayment is $1,733.

St Clair is served by 1 school, including 1 secondary. The average ICSEA score is 973, which is around the national average of 1,000. Public transport access includes 2 rail stations, 10 bus stops. The crime rate in the Charles Sturt LGA is higher than average at 9,947 incidents per 100,000 population.

From an investment perspective, St Clair offers a gross rental yield of 2.6%, rated as low yield. Property prices are near the state median ($1.1M/$950K). The price-to-income ratio of 11.6x is considered stretched. House prices have moved +11.6% year-on-year.

INVESTMENT SIGNALS
Rental Yield2.6% Low Yield
Price vs State$1.1M/$950K Near Median
Affordability11.6x Stretched
Price Momentum+11.6% Rising
SEIFA INDEX (ABS)
Advantage8/10
Education10/10
Economic3/10
Disadvantage9/10
MEDIAN HOUSE
$1.1M
11.6% YoY
MEDIAN RENT /WK
$360
POPULATION
2,634
DEMOGRAPHICS
Median Age32
Household Size2.3
HH Income /wk$1,890
Personal Income /wk$1055
Mortgage /mth$1,733
CRIME (Charles Sturt LGA)
Crime Rate (per 100k)9,947
Total Incidents262
TRANSPORT
Rail Stations2
Bus Stops10
St Clair Railway Station
Woodville Railway Station
SCHOOLS (1)
Avg ICSEA973
Total Students1,170
Government1
Woodville High SchoolSecondary · Government · ICSEA 973
Data: 2025-Q4